Ethereum co-founder Vitalik Buterin has declared 2026 as the year to reclaim computational self-sovereignty, extending beyond blockchain. Buterin emphasizes reducing reliance on centralized services, advocating for a shift towards decentralized alternatives. In 2025, he plans to transition to Fileverse for encrypted documents and Signal for communication. By 2026, he aims to replace Google Maps with OpenStreetMap and Gmail with ProtonMail, highlighting the importance of end-to-end encryption. Buterin also explores local LLMs, noting challenges in user experience and energy consumption.